Improve .torrent associate handling

* Use correct pointer type in NSIS scripts
* Only remove qbt specific registry keys when uninstalling or disassociating
* Set .torrent Content Type when associating .torrent format
* Move ".torrent association" functions to Utils::OS class

PR #19709.

dist/windows/installer.nsi

@@ -109,7 +109,7 @@ Section $(inst_torrent) ;"Open .torrent files with qBittorrent"
 
   !insertmacro UAC_AsUser_Call Function inst_torrent_user ${UAC_SYNCREGISTERS}|${UAC_SYNCOUTDIR}|${UAC_SYNCINSTDIR}
 
-  System::Call 'Shell32::SHChangeNotify(i ${SHCNE_ASSOCCHANGED}, i ${SHCNF_IDLIST}, i 0, i 0)'
+  System::Call 'Shell32::SHChangeNotify(i ${SHCNE_ASSOCCHANGED}, i ${SHCNF_IDLIST}, p 0, p 0)'
 
 SectionEnd
 
@@ -142,7 +142,7 @@ Section $(inst_magnet) ;"Open magnet links with qBittorrent"
 
   !insertmacro UAC_AsUser_Call Function inst_magnet_user ${UAC_SYNCREGISTERS}|${UAC_SYNCOUTDIR}|${UAC_SYNCINSTDIR}
 
-  System::Call 'Shell32::SHChangeNotify(i ${SHCNE_ASSOCCHANGED}, i ${SHCNF_IDLIST}, i 0, i 0)'
+  System::Call 'Shell32::SHChangeNotify(i ${SHCNE_ASSOCCHANGED}, i ${SHCNF_IDLIST}, p 0, p 0)'
 
 SectionEnd
 

dist/windows/uninstaller.nsi

@@ -26,17 +26,17 @@ Section "un.$(remove_associations)" ;"un.Remove file associations"
   DetailPrint "$(uninst_tor_warn) $0"
   DeleteRegValue HKLM "Software\Classes\.torrent" ""
   DeleteRegKey /ifempty HKLM "Software\Classes\.torrent"
-
   torrent_end:
+
   ReadRegStr $0 HKLM "Software\Classes\magnet\shell\open\command" ""
   StrCmp $0 '"$INSTDIR\qbittorrent.exe" "%1"' 0 magnet_end
   DetailPrint "$(uninst_mag_warn) $0"
   DeleteRegKey HKLM "Software\Classes\magnet"
-
   magnet_end:
+
   !insertmacro UAC_AsUser_Call Function un.remove_associations_user ${UAC_SYNCREGISTERS}|${UAC_SYNCOUTDIR}|${UAC_SYNCINSTDIR}
 
-  System::Call 'Shell32::SHChangeNotify(i ${SHCNE_ASSOCCHANGED}, i ${SHCNF_IDLIST}, i 0, i 0)'
+  System::Call 'Shell32::SHChangeNotify(i ${SHCNE_ASSOCCHANGED}, i ${SHCNF_IDLIST}, p 0, p 0)'
 SectionEnd
 
 Function un.remove_associations_user
@@ -45,13 +45,12 @@ Function un.remove_associations_user
   DetailPrint "$(uninst_tor_warn) $0"
   DeleteRegValue HKCU "Software\Classes\.torrent" ""
   DeleteRegKey /ifempty HKCU "Software\Classes\.torrent"
-
   torrent_end:
+
   ReadRegStr $0 HKCU "Software\Classes\magnet\shell\open\command" ""
   StrCmp $0 '"$INSTDIR\qbittorrent.exe" "%1"' 0 magnet_end
   DetailPrint "$(uninst_mag_warn) $0"
   DeleteRegKey HKCU "Software\Classes\magnet"
-
   magnet_end:
 FunctionEnd
 
@@ -62,7 +61,7 @@ Section "un.$(remove_registry)" ;"un.Remove registry keys"
   DeleteRegKey HKLM "Software\qBittorrent"
   DeleteRegKey HKLM "Software\Classes\qBittorrent"
 
-  System::Call 'Shell32::SHChangeNotify(i ${SHCNE_ASSOCCHANGED}, i ${SHCNF_IDLIST}, i 0, i 0)'
+  System::Call 'Shell32::SHChangeNotify(i ${SHCNE_ASSOCCHANGED}, i ${SHCNF_IDLIST}, p 0, p 0)'
 SectionEnd
 
 Section "un.$(remove_firewall)" ;

src/app/application.cpp

@@ -99,6 +99,10 @@
 #include "gui/uithememanager.h"
 #include "gui/utils.h"
 #include "gui/windowstate.h"
+
+#ifdef Q_OS_WIN
+#include "base/utils/os.h"
+#endif  // Q_OS_WIN
 #endif // DISABLE_GUI
 
 #ifndef DISABLE_WEBUI
@@ -883,14 +887,14 @@ int Application::exec()
         delete m_startupProgressDialog;
 #ifdef Q_OS_WIN
         auto *pref = Preferences::instance();
-        if (!pref->neverCheckFileAssoc() && (!Preferences::isTorrentFileAssocSet() || !Preferences::isMagnetLinkAssocSet()))
+        if (!pref->neverCheckFileAssoc() && (!Utils::OS::isTorrentFileAssocSet() || !Utils::OS::isMagnetLinkAssocSet()))
         {
             if (QMessageBox::question(m_window, tr("Torrent file association")
                                       , tr("qBittorrent is not the default application for opening torrent files or Magnet links.\nDo you want to make qBittorrent the default application for these?")
                                       , QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes) == QMessageBox::Yes)
             {
-                pref->setTorrentFileAssoc(true);
+                Utils::OS::setTorrentFileAssoc(true);
-                pref->setMagnetLinkAssoc(true);
+                Utils::OS::setMagnetLinkAssoc(true);
             }
             else
             {

src/base/CMakeLists.txt

@@ -99,6 +99,7 @@ add_library(qbt_base STATIC
     utils/io.h
     utils/misc.h
     utils/net.h
+    utils/os.h
     utils/password.h
     utils/random.h
     utils/string.h
@@ -185,6 +186,7 @@ add_library(qbt_base STATIC
     utils/io.cpp
     utils/misc.cpp
     utils/net.cpp
+    utils/os.cpp
     utils/password.cpp
     utils/random.cpp
     utils/string.cpp

src/base/preferences.cpp

@@ -32,13 +32,6 @@
 #include <algorithm>
 #include <chrono>
 
-#ifdef Q_OS_MACOS
-#include <CoreServices/CoreServices.h>
-#endif
-#ifdef Q_OS_WIN
-#include <shlobj.h>
-#endif
-
 #include <QCoreApplication>
 #include <QDateTime>
 #include <QDir>
@@ -48,10 +41,6 @@
 #include <QSettings>
 #include <QTime>
 
-#ifdef Q_OS_WIN
-#include <QRegularExpression>
-#endif
-
 #include "algorithm.h"
 #include "global.h"
 #include "path.h"
@@ -1317,150 +1306,8 @@ void Preferences::setNeverCheckFileAssoc(const bool check)
 
     setValue(u"Preferences/Win32/NeverCheckFileAssocation"_s, check);
 }
-
-bool Preferences::isTorrentFileAssocSet()
-{
-    const QSettings settings(u"HKEY_CURRENT_USER\\Software\\Classes"_s, QSettings::NativeFormat);
-    if (settings.value(u".torrent/Default"_s).toString() != u"qBittorrent")
-    {
-        qDebug(".torrent != qBittorrent");
-        return false;
-    }
-
-    return true;
-}
-
-void Preferences::setTorrentFileAssoc(const bool set)
-{
-    QSettings settings(u"HKEY_CURRENT_USER\\Software\\Classes"_s, QSettings::NativeFormat);
-
-    // .Torrent association
-    if (set)
-    {
-        const QString oldProgId = settings.value(u".torrent/Default"_s).toString();
-        if (!oldProgId.isEmpty() && (oldProgId != u"qBittorrent"))
-            settings.setValue((u".torrent/OpenWithProgids/" + oldProgId), QString());
-        settings.setValue(u".torrent/Default"_s, u"qBittorrent"_s);
-    }
-    else if (isTorrentFileAssocSet())
-    {
-        settings.setValue(u".torrent/Default"_s, QString());
-    }
-
-    SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, 0, 0);
-}
-
-bool Preferences::isMagnetLinkAssocSet()
-{
-    const QSettings settings(u"HKEY_CURRENT_USER\\Software\\Classes"_s, QSettings::NativeFormat);
-
-    // Check magnet link assoc
-    const QString shellCommand = settings.value(u"magnet/shell/open/command/Default"_s, QString()).toString();
-
-    const QRegularExpressionMatch exeRegMatch = QRegularExpression(u"\"([^\"]+)\".*"_s).match(shellCommand);
-    if (!exeRegMatch.hasMatch())
-        return false;
-
-    const Path assocExe {exeRegMatch.captured(1)};
-    if (assocExe != Path(qApp->applicationFilePath()))
-        return false;
-
-    return true;
-}
-
-void Preferences::setMagnetLinkAssoc(const bool set)
-{
-    QSettings settings(u"HKEY_CURRENT_USER\\Software\\Classes"_s, QSettings::NativeFormat);
-
-    // Magnet association
-    if (set)
-    {
-        const QString applicationFilePath = Path(qApp->applicationFilePath()).toString();
-        const QString commandStr = u'"' + applicationFilePath + u"\" \"%1\"";
-        const QString iconStr = u'"' + applicationFilePath + u"\",1";
-
-        settings.setValue(u"magnet/Default"_s, u"URL:Magnet link"_s);
-        settings.setValue(u"magnet/Content Type"_s, u"application/x-magnet"_s);
-        settings.setValue(u"magnet/URL Protocol"_s, QString());
-        settings.setValue(u"magnet/DefaultIcon/Default"_s, iconStr);
-        settings.setValue(u"magnet/shell/Default"_s, u"open"_s);
-        settings.setValue(u"magnet/shell/open/command/Default"_s, commandStr);
-    }
-    else if (isMagnetLinkAssocSet())
-    {
-        settings.remove(u"magnet"_s);
-    }
-
-    SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, 0, 0);
-}
 #endif // Q_OS_WIN
 
-#ifdef Q_OS_MACOS
-namespace
-{
-    const CFStringRef torrentExtension = CFSTR("torrent");
-    const CFStringRef magnetUrlScheme = CFSTR("magnet");
-}
-
-bool Preferences::isTorrentFileAssocSet()
-{
-    bool isSet = false;
-    const CFStringRef torrentId = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, torrentExtension, NULL);
-    if (torrentId != NULL)
-    {
-        const CFStringRef defaultHandlerId = LSCopyDefaultRoleHandlerForContentType(torrentId, kLSRolesViewer);
-        if (defaultHandlerId != NULL)
-        {
-            const CFStringRef myBundleId = CFBundleGetIdentifier(CFBundleGetMainBundle());
-            if (myBundleId != NULL)
-                isSet = CFStringCompare(myBundleId, defaultHandlerId, 0) == kCFCompareEqualTo;
-            CFRelease(defaultHandlerId);
-        }
-        CFRelease(torrentId);
-    }
-    return isSet;
-}
-
-void Preferences::setTorrentFileAssoc()
-{
-    if (isTorrentFileAssocSet())
-        return;
-
-    const CFStringRef torrentId = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, torrentExtension, NULL);
-    if (torrentId != NULL)
-    {
-        const CFStringRef myBundleId = CFBundleGetIdentifier(CFBundleGetMainBundle());
-        if (myBundleId != NULL)
-            LSSetDefaultRoleHandlerForContentType(torrentId, kLSRolesViewer, myBundleId);
-        CFRelease(torrentId);
-    }
-}
-
-bool Preferences::isMagnetLinkAssocSet()
-{
-    bool isSet = false;
-    const CFStringRef defaultHandlerId = LSCopyDefaultHandlerForURLScheme(magnetUrlScheme);
-    if (defaultHandlerId != NULL)
-    {
-        const CFStringRef myBundleId = CFBundleGetIdentifier(CFBundleGetMainBundle());
-        if (myBundleId != NULL)
-            isSet = CFStringCompare(myBundleId, defaultHandlerId, 0) == kCFCompareEqualTo;
-        CFRelease(defaultHandlerId);
-    }
-    return isSet;
-}
-
-void Preferences::setMagnetLinkAssoc()
-{
-    if (isMagnetLinkAssocSet())
-        return;
-
-    const CFStringRef myBundleId = CFBundleGetIdentifier(CFBundleGetMainBundle());
-    if (myBundleId != NULL)
-        LSSetDefaultHandlerForURLScheme(magnetUrlScheme, myBundleId);
-}
-#endif // Q_OS_MACOS
-
 int Preferences::getTrackerPort() const
 {
     return value<int>(u"Preferences/Advanced/trackerPort"_s, 9000);

src/base/preferences.h

@@ -290,17 +290,8 @@ public:
 #ifdef Q_OS_WIN
     bool neverCheckFileAssoc() const;
     void setNeverCheckFileAssoc(bool check = true);
-    static bool isTorrentFileAssocSet();
-    static void setTorrentFileAssoc(bool set);
-    static bool isMagnetLinkAssocSet();
-    static void setMagnetLinkAssoc(bool set);
-#endif
-#ifdef Q_OS_MACOS
-    static bool isTorrentFileAssocSet();
-    static void setTorrentFileAssoc();
-    static bool isMagnetLinkAssocSet();
-    static void setMagnetLinkAssoc();
 #endif
+
     int getTrackerPort() const;
     void setTrackerPort(int port);
     bool isTrackerPortForwardingEnabled() const;

src/base/utils/misc.cpp

@@ -651,4 +651,4 @@ Path Utils::Misc::windowsSystemPath()
     }();
     return path;
 }
-#endif
+#endif // Q_OS_WIN

src/base/utils/os.cpp

@@ -0,0 +1,194 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2023  Mike Tzou (Chocobo1)
+ * Copyright (C) 2014  sledgehammer999 <hammered999@gmail.com>
+ * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#include "os.h"
+
+#ifdef Q_OS_MACOS
+#include <CoreServices/CoreServices.h>
+#endif // Q_OS_MACOS
+
+#ifdef Q_OS_WIN
+#include <shlobj.h>
+#endif // Q_OS_WIN
+
+#include <QString>
+
+#ifdef Q_OS_WIN
+#include <QCoreApplication>
+#include <QRegularExpression>
+#include <QSettings>
+#endif // Q_OS_WIN
+
+#include "base/global.h"
+#include "base/path.h"
+
+#ifdef Q_OS_MACOS
+namespace
+{
+    const CFStringRef torrentExtension = CFSTR("torrent");
+    const CFStringRef magnetUrlScheme = CFSTR("magnet");
+}
+
+bool Utils::OS::isTorrentFileAssocSet()
+{
+    bool isSet = false;
+    const CFStringRef torrentId = ::UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, torrentExtension, NULL);
+    if (torrentId != NULL)
+    {
+        const CFStringRef defaultHandlerId = ::LSCopyDefaultRoleHandlerForContentType(torrentId, kLSRolesViewer);
+        if (defaultHandlerId != NULL)
+        {
+            const CFStringRef myBundleId = ::CFBundleGetIdentifier(::CFBundleGetMainBundle());
+            if (myBundleId != NULL)
+                isSet = ::CFStringCompare(myBundleId, defaultHandlerId, 0) == kCFCompareEqualTo;
+            ::CFRelease(defaultHandlerId);
+        }
+        ::CFRelease(torrentId);
+    }
+    return isSet;
+}
+
+void Utils::OS::setTorrentFileAssoc()
+{
+    if (isTorrentFileAssocSet())
+        return;
+
+    const CFStringRef torrentId = ::UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, torrentExtension, NULL);
+    if (torrentId != NULL)
+    {
+        const CFStringRef myBundleId = ::CFBundleGetIdentifier(::CFBundleGetMainBundle());
+        if (myBundleId != NULL)
+            ::LSSetDefaultRoleHandlerForContentType(torrentId, kLSRolesViewer, myBundleId);
+        ::CFRelease(torrentId);
+    }
+}
+
+bool Utils::OS::isMagnetLinkAssocSet()
+{
+    bool isSet = false;
+    const CFStringRef defaultHandlerId = ::LSCopyDefaultHandlerForURLScheme(magnetUrlScheme);
+    if (defaultHandlerId != NULL)
+    {
+        const CFStringRef myBundleId = ::CFBundleGetIdentifier(::CFBundleGetMainBundle());
+        if (myBundleId != NULL)
+            isSet = ::CFStringCompare(myBundleId, defaultHandlerId, 0) == kCFCompareEqualTo;
+        ::CFRelease(defaultHandlerId);
+    }
+    return isSet;
+}
+
+void Utils::OS::setMagnetLinkAssoc()
+{
+    if (isMagnetLinkAssocSet())
+        return;
+
+    const CFStringRef myBundleId = ::CFBundleGetIdentifier(::CFBundleGetMainBundle());
+    if (myBundleId != NULL)
+        ::LSSetDefaultHandlerForURLScheme(magnetUrlScheme, myBundleId);
+}
+#endif // Q_OS_MACOS
+
+#ifdef Q_OS_WIN
+bool Utils::OS::isTorrentFileAssocSet()
+{
+    const QSettings settings(u"HKEY_CURRENT_USER\\Software\\Classes"_s, QSettings::NativeFormat);
+    return settings.value(u".torrent/Default"_s).toString() == u"qBittorrent";
+}
+
+void Utils::OS::setTorrentFileAssoc(const bool set)
+{
+    if (set == isTorrentFileAssocSet())
+        return;
+
+    QSettings settings(u"HKEY_CURRENT_USER\\Software\\Classes"_s, QSettings::NativeFormat);
+
+    if (set)
+    {
+        const QString oldProgId = settings.value(u".torrent/Default"_s).toString();
+        if (!oldProgId.isEmpty() && (oldProgId != u"qBittorrent"))
+            settings.setValue((u".torrent/OpenWithProgids/" + oldProgId), QString());
+
+        settings.setValue(u".torrent/Default"_s, u"qBittorrent"_s);
+        settings.setValue(u".torrent/Content Type"_s, u"application/x-bittorrent"_s);
+    }
+    else
+    {
+        settings.setValue(u".torrent/Default"_s, QString());
+    }
+
+    ::SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, nullptr, nullptr);
+}
+
+bool Utils::OS::isMagnetLinkAssocSet()
+{
+    const QSettings settings(u"HKEY_CURRENT_USER\\Software\\Classes"_s, QSettings::NativeFormat);
+    const QString shellCommand = settings.value(u"magnet/shell/open/command/Default"_s).toString();
+
+    const QRegularExpressionMatch exeRegMatch = QRegularExpression(u"\"([^\"]+)\".*"_s).match(shellCommand);
+    if (!exeRegMatch.hasMatch())
+        return false;
+
+    const Path assocExe {exeRegMatch.captured(1)};
+    if (assocExe != Path(qApp->applicationFilePath()))
+        return false;
+
+    return true;
+}
+
+void Utils::OS::setMagnetLinkAssoc(const bool set)
+{
+    if (set == isMagnetLinkAssocSet())
+        return;
+
+    QSettings settings(u"HKEY_CURRENT_USER\\Software\\Classes"_s, QSettings::NativeFormat);
+
+    if (set)
+    {
+        const QString applicationFilePath = Path(qApp->applicationFilePath()).toString();
+        const QString commandStr = u'"' + applicationFilePath + u"\" \"%1\"";
+        const QString iconStr = u'"' + applicationFilePath + u"\",1";
+
+        settings.setValue(u"magnet/Default"_s, u"URL:Magnet link"_s);
+        settings.setValue(u"magnet/Content Type"_s, u"application/x-magnet"_s);
+        settings.setValue(u"magnet/DefaultIcon/Default"_s, iconStr);
+        settings.setValue(u"magnet/shell/Default"_s, u"open"_s);
+        settings.setValue(u"magnet/shell/open/command/Default"_s, commandStr);
+        settings.setValue(u"magnet/URL Protocol"_s, QString());
+    }
+    else
+    {
+        // only wipe values that are specific to qbt
+        settings.setValue(u"magnet/DefaultIcon/Default"_s, QString());
+        settings.setValue(u"magnet/shell/open/command/Default"_s, QString());
+    }
+
+    ::SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, nullptr, nullptr);
+}
+#endif // Q_OS_WIN

src/base/utils/os.h

@@ -0,0 +1,50 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2023  Mike Tzou (Chocobo1)
+ * Copyright (C) 2014  sledgehammer999 <hammered999@gmail.com>
+ * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#pragma once
+
+#include <QtSystemDetection>
+
+namespace Utils::OS
+{
+#ifdef Q_OS_MACOS
+    bool isTorrentFileAssocSet();
+    void setTorrentFileAssoc();
+    bool isMagnetLinkAssocSet();
+    void setMagnetLinkAssoc();
+#endif // Q_OS_MACOS
+
+#ifdef Q_OS_WIN
+    bool isTorrentFileAssocSet();
+    void setTorrentFileAssoc(bool set);
+    bool isMagnetLinkAssocSet();
+    void setMagnetLinkAssoc(bool set);
+#endif // Q_OS_WIN
+}

src/gui/optionsdialog.cpp

@@ -74,6 +74,10 @@
 #include "base/net/dnsupdater.h"
 #endif
 
+#if defined Q_OS_MACOS || defined Q_OS_WIN
+#include "base/utils/os.h"
+#endif // defined Q_OS_MACOS || defined Q_OS_WIN
+
 #define SETTINGS_KEY(name) u"OptionsDialog/" name
 
 namespace
@@ -283,15 +287,15 @@ void OptionsDialog::loadBehaviorTabOptions()
 
 #ifdef Q_OS_WIN
     m_ui->checkStartup->setChecked(pref->WinStartup());
-    m_ui->checkAssociateTorrents->setChecked(Preferences::isTorrentFileAssocSet());
+    m_ui->checkAssociateTorrents->setChecked(Utils::OS::isTorrentFileAssocSet());
-    m_ui->checkAssociateMagnetLinks->setChecked(Preferences::isMagnetLinkAssocSet());
+    m_ui->checkAssociateMagnetLinks->setChecked(Utils::OS::isMagnetLinkAssocSet());
 #endif
 
 #ifdef Q_OS_MACOS
     m_ui->checkShowSystray->setVisible(false);
-    m_ui->checkAssociateTorrents->setChecked(Preferences::isTorrentFileAssocSet());
+    m_ui->checkAssociateTorrents->setChecked(Utils::OS::isTorrentFileAssocSet());
     m_ui->checkAssociateTorrents->setEnabled(!m_ui->checkAssociateTorrents->isChecked());
-    m_ui->checkAssociateMagnetLinks->setChecked(Preferences::isMagnetLinkAssocSet());
+    m_ui->checkAssociateMagnetLinks->setChecked(Utils::OS::isMagnetLinkAssocSet());
     m_ui->checkAssociateMagnetLinks->setEnabled(!m_ui->checkAssociateMagnetLinks->isChecked());
 #endif
 
@@ -432,8 +436,8 @@ void OptionsDialog::saveBehaviorTabOptions() const
 #ifdef Q_OS_WIN
     pref->setWinStartup(WinStartup());
 
-    Preferences::setTorrentFileAssoc(m_ui->checkAssociateTorrents->isChecked());
+    Utils::OS::setTorrentFileAssoc(m_ui->checkAssociateTorrents->isChecked());
-    Preferences::setMagnetLinkAssoc(m_ui->checkAssociateMagnetLinks->isChecked());
+    Utils::OS::setMagnetLinkAssoc(m_ui->checkAssociateMagnetLinks->isChecked());
 #endif
 
 #ifndef Q_OS_MACOS
@@ -446,14 +450,14 @@ void OptionsDialog::saveBehaviorTabOptions() const
 #ifdef Q_OS_MACOS
     if (m_ui->checkAssociateTorrents->isChecked())
     {
-        Preferences::setTorrentFileAssoc();
+        Utils::OS::setTorrentFileAssoc();
-        m_ui->checkAssociateTorrents->setChecked(Preferences::isTorrentFileAssocSet());
+        m_ui->checkAssociateTorrents->setChecked(Utils::OS::isTorrentFileAssocSet());
         m_ui->checkAssociateTorrents->setEnabled(!m_ui->checkAssociateTorrents->isChecked());
     }
     if (m_ui->checkAssociateMagnetLinks->isChecked())
     {
-        Preferences::setMagnetLinkAssoc();
+        Utils::OS::setMagnetLinkAssoc();
-        m_ui->checkAssociateMagnetLinks->setChecked(Preferences::isMagnetLinkAssocSet());
+        m_ui->checkAssociateMagnetLinks->setChecked(Utils::OS::isMagnetLinkAssocSet());
         m_ui->checkAssociateMagnetLinks->setEnabled(!m_ui->checkAssociateMagnetLinks->isChecked());
     }
 #endif